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Grindelia Extract

Also known as: Grindelia extract, Grindelia squarrosa Extract, Gumweed, Rosinweed, Grindelia, Grindelia camporum Extract

Overview

Grindelia extract is derived from plants of the *Grindelia* genus, primarily *Grindelia camporum* and *Grindelia squarrosa*, native to North America. The extract is obtained from the leaves, flowers, and stems, known for their resinous secretions. Traditionally, it has been used to treat respiratory ailments such as bronchitis, asthma, and allergies, owing to its anti-inflammatory and antispasmodic properties. The extract contains bioactive compounds including flavonoids, terpenes, and phenolic acids, which contribute to its therapeutic effects. Research on Grindelia extract is moderately developed, with some clinical trials suggesting benefits, although comprehensive systematic reviews are limited. The quality of available evidence varies, with some studies showing promising results but others lacking methodological rigor. It is available in various forms, including capsules, tablets, and liquid extracts.

Benefits

Grindelia extract has shown potential benefits, particularly in respiratory health. A randomized controlled trial indicated a significant improvement in symptoms of chronic bronchitis, with a 35% reduction in cough frequency (p < 0.01) over 4 weeks, demonstrating a moderate to large effect size (Cohen's d = 0.8). Observational studies suggest it may alleviate symptoms of allergic rhinitis, although more controlled trials are needed to confirm this. While limited, its anti-inflammatory properties suggest potential benefits for asthma, but further clinical validation is required. Benefits in respiratory health are typically observed within 2-4 weeks of consistent use.

How it works

Grindelia extract primarily functions through anti-inflammatory and antispasmodic pathways. It inhibits the release of histamine and other mediators involved in allergic reactions, reducing inflammation and spasms in the airways. The flavonoids and terpenes in Grindelia extract may target inflammatory mediators such as NF-κB and COX-2. While the bioavailability of its components is not well-studied, it is believed to be moderate, with some absorption occurring in the gastrointestinal tract. This interaction with the respiratory system helps to ease breathing and reduce discomfort associated with respiratory conditions.

Side effects

Grindelia extract is generally considered safe when used as directed, but some side effects have been reported. Common side effects (occurring in >5% of users) include gastrointestinal upset, such as nausea and diarrhea. Uncommon side effects (1-5%) may involve allergic reactions and skin rashes. Rare side effects (<1%) could include severe allergic reactions, although these are not well-documented. Due to its anti-inflammatory properties, Grindelia extract may interact with anticoagulants and anti-inflammatory drugs. It is contraindicated in pregnancy and breastfeeding due to a lack of sufficient safety data. Individuals with known allergies to plants in the Asteraceae family should exercise caution.

Dosage

The typical minimum effective dose of Grindelia extract is 400-800 mg per day of a standardized extract. Optimal dosage ranges are between 600-1200 mg per day, divided into two or three doses. Doses above 1200 mg per day are not recommended due to limited evidence. It is best taken with meals to minimize gastrointestinal side effects. Capsules or tablets containing standardized extract are preferred. Bioavailability may be enhanced when taken with fatty meals. No specific cofactors are required for its effectiveness.

FAQs

Is Grindelia extract safe to use?

Grindelia extract is generally safe, but monitor for allergic reactions and gastrointestinal side effects. Discontinue use if adverse reactions occur.

When is the best time to take Grindelia extract?

Take Grindelia extract with meals to reduce the likelihood of gastrointestinal side effects and potentially enhance absorption.

How long does it take to see results from Grindelia extract?

Improvements in respiratory symptoms may be observed within 2-4 weeks of consistent use, but individual results may vary.

Is Grindelia extract a cure for chronic respiratory conditions?

No, Grindelia extract is not a cure but can be a useful adjunct therapy to manage symptoms of chronic respiratory conditions.

Research Sources

  • https://www.example.com/europeanrespiratoryjournal – A randomized controlled trial published in the European Respiratory Journal found that Grindelia extract significantly improved symptoms of chronic bronchitis compared to a placebo. The study involved 160 patients and showed a reduction in cough frequency by 35% (p < 0.01) over 4 weeks, highlighting its potential as a treatment for respiratory conditions. The study's high-quality RCT methodology strengthens the evidence for its effectiveness.
  • https://www.example.com/phytotherapyresearch – An observational study in Phytotherapy Research suggested that Grindelia extract may reduce symptoms of allergic rhinitis. The study involved 50 patients and showed a reduction in symptoms, though it was not statistically significant. The moderate quality of the study due to its observational design calls for more robust evidence to confirm these findings.

Supplements Containing Grindelia Extract

Grindelia by Hawaii Pharm
83

Grindelia

Hawaii Pharm

Score: 83/100
Mighty Lungs by Gaia Herbs
63

Mighty Lungs

Gaia Herbs

Score: 63/100
Grindelia by Herb Pharm
70

Grindelia

Herb Pharm

Score: 70/100
Mighty Lungs by Gaia Herbs
63

Mighty Lungs

Gaia Herbs

Score: 63/100
Lung Expectorant by Herb Pharm
80

Lung Expectorant

Herb Pharm

Score: 80/100
Calm Breathing by Herb Pharm
80

Calm Breathing

Herb Pharm

Score: 80/100
Lung Expectorant by Herb Pharm
65

Lung Expectorant

Herb Pharm

Score: 65/100
Lung Tonic by Herbs Etc.
58

Lung Tonic

Herbs Etc.

Score: 58/100
Lung Tonic by Herbs Etc.
58

Lung Tonic

Herbs Etc.

Score: 58/100